Engine valve



Aug. 14, 1928.

L. R. GRAMES ENGiNE VALVE Filed Oct. 15, 1926 amvawio'c fluomwt o,

Patented Aug. 14, 1928.

UNITED STATES PATENT OFFICE.

LAWRENCE R. GRAMES, OF WELLSVILLE, NEW YORK, ASSIGNOR F ONE-HALF TO JOHNN. BRYSON AND R. R. MURRAY, 0F WELLSVILLE, NE'VV YORK.

ENGINE VALVE.

Application filed October 13, 1926. Serial No. 141,362.

This invention relates to a valve for controlling admission of air andfuel such as gasoline to internal combustion engines, one of the objectsbeing to provide a novel form of valve under the control of a remoteoperating means which, when actuated, will open or close a novelarrangement of ports Where by proper proportions of air and gasolinewithin the scope of what is claimed, without departing from the spiritof the invention.

In the accompanying drawings, the preferred form of the invention hasbeen shown.

In said drawings,

Figure 1 is a section through the valve.

Figure 2 is an elevation thereof.

Referring to the figures by characters of reference 1 designates thevalve casing provided with an outlet 2 through which fuel is directed tothe engine. This casing 1 has an open side 3 to which is bolted orotheran wise connected a cover plate 4 provided with an annular seriesof air inlet ports 5 and also provided with a pin 6 extending inwardlyfrom the cover.

An additional port 7 is formed in the cover and is in communication witha threaded recess 8 to which a. fuel supply pipe, not shown, is to beconnected.

Mounted for rotation within one wall of the casing 1 and in the coverplate 1 is a shaft 9 to one end portion of which is secured a radial arm10 adapted to be connected to a governor rod or throttle control notshown. Secured to this shaft 9 at a point within the casing 1 is acollar 11 and 4 mounted for rotation and sliding movement on the shaftis a dished valve 12 having an ports 5 and 7 and the marginal portion 15of valve 12 serves normally to close these ports because spring 14presses the parts together. An arcuate slot18 is formed within the valvemember 16 andflreceives pin 6,

thereby to limit the rotation of the valv'e member 16 relative to thecover 4..

lVhen the parts are in one position fuel is free to enter the opening 17in commun1- cation with port 7 and air is free to enter the otheropening 17 by Way of the ports or apertures 5. By rotating shaft 9 thevalve member 16 can be rotated within the limits allowed by slot 18 andpin 6 so as to partly or entirely close the apertures 17. Each suctionstroke of the engine will cause the valve member 12 to move against theaction of spring l l so that air and fuel will be sucked into thee-using1, the amount being dependent upon the position of the valve member 16.If desired V-shaped grooves,

7 indicated by dotted lines at 19 can be formed in the Walls of theopenings 17 so as to give a more gradual opening of the ports than wouldotherwise occur.

lVhat is claimed is:

The combination with a casing having an outlet and an open side spacedtherefrom, of a cover plate for closing the open side, a shaft journaledtherein and in the casing, means for rotating the shaft, there being anannular series of apertures in the cover plate, said series beingconcentric. with the shaft, said plate having a fuel port openingtherethrough, a valve disk rotatable with the shaft having an annularseries of apertures movable into and out of register with the air andfuel ports in the cover plate, cooperating means upon the cover plateand disk for limiting the back and forth rotation of the disk relativeto the cover plate, a slidable valve on the shaft having its marginalportion normally bearing against and closing the apertures in thedislgand yielding means carried by the shaft and engaging the slidablevalve for holding said valve pressed normally against the disk, saidslidable valve being shiftable by suction through the registeringapertures in the disk and cover plate to admit fuel to the casing whenthe valve is subjected to suction from the outlet of the casing.

In testimony that I claim the foregoing as my own, I have hereto affixedmy signature.

LAWRENCE R. GRAMES.

